Pierre Bélanger closed his week at IAAC with an Open Lecture after the workshop´s final presentations. Pierre Bélanger is Landscape Architect and Associate Professor at the Hardvard University Graduate School of Design. He is also editor of the Landscape Infraestructures DVD and his most recent publication include Regionalization, Redefining Infraestructure and Landscape as Infraestructure. During the lecture he focus on the convergence of urbanism, landscape and ecology in the interrelated fields of planning, design and engineering. He focused on the dual objectives of ecological durability and economic performance in the reclamation of regional systems and large urban landscapes.